NEET BIOLOGY

Detailed explanation-1: -Nostoc is a cyanobacterium, i.e., prokaryote, so it lacks true nucleus, thus nuclear membrane is absent.

Detailed explanation-2: -Similar to other forms of bacteria, the single-celled Nostoc does not have a nucleus or other internal membrane systems and the cytoplasm is comprised of between seventy and eighty-five percent water.

Detailed explanation-3: -Complete Answer: Nuclear membrane is absent in kingdom Monera because it lacks well-defined nucleus and other membrane bound cell organelles like mitochondria, Golgi apparatus and chloroplast. Monera are the unicellular, prokaryotic organisms whose cell wall is not made up of cellulose.

Detailed explanation-4: -This organism has no internal membrane bound structures, or organelles, and the genetic material is not found within a nucleus.

Detailed explanation-5: -Volvox is a green alga which is a eukaryotic organism. Penicillium and Agaricus are fungi and are also eukaryotic. Eukaryotic organisms have nuclear membranes. Q.